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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 8.1L (Introduction) >> Schematic and Routing Diagrams >> Engine Controls Schematics
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Engine Controls Schematics

Fig 1: Module Power, Ground, Serial Data And MIL Schematic
GM1233240Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Data Sensors - Pressure, Temperature And VSS Schematic
GM1233241Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors - HO2S Schematic
GM1233243Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors - Electronic Throttle Controls Schematic - 1 Of 2
GM1226793Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors - Electronic Throttle Controls Schematic - 2 Of 2
GM1226798Courtesy of GENERAL MOTORS CORP.
Fig 6: Ignition Controls - Ignition System Coils 1, 3, 5 And 7 Schematic
GM1232931Courtesy of GENERAL MOTORS CORP.
Fig 7: Ignition Controls - Ignition System Coils 2, 4, 6 And 8 Schematic
GM1232933Courtesy of GENERAL MOTORS CORP.
Fig 8: Ignition Controls - Sensors Schematic
GM1232936Courtesy of GENERAL MOTORS CORP.
Fig 9: Fuel Controls - Fuel Pump Controls Schematic
GM1233246Courtesy of GENERAL MOTORS CORP.
Fig 10: Fuel Controls - Fuel Injectors Schematic
GM1232941Courtesy of GENERAL MOTORS CORP.
Fig 11: Fuel Controls - EVAP Controls And Fuel Tank Pressure Schematic
GM1232942Courtesy of GENERAL MOTORS CORP.
Fig 12: Controlled/Monitored Subsystem References Schematic
GM1233247Courtesy of GENERAL MOTORS CORP.
Fig 13: Transmission Controls - A/T Schematic
GM1233249Courtesy of GENERAL MOTORS CORP.